The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 05, 2019

Filed:

Feb. 26, 2015
Applicant:

Charabot, Grasse, FR;

Inventors:

Véronique Alphand, Marseilles, FR;

Alain Archelas, Marseilles, FR;

Eva Boukhris-Uzan, Marseilles, FR;

Elise Courvoisier-Dezord, Les Pennes Mirabeau, FR;

Sophie Lavoine-Hanneguelle, Mouans Sartoux, FR;

Assignee:

CHARABOT, Grasse, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 17/06 (2006.01); C12P 7/64 (2006.01);
U.S. Cl.
CPC ...
C12P 17/06 (2013.01); C12P 7/6409 (2013.01);
Abstract

The invention relates to a method for producing lactones from a strain ofthat are produced from a pre-culture of thestrain CBS 771.97, obtained from CBS-KNAW Fungal Biodiversity Center, Uppsalalaan 8, 3584 CT Utrecht, Netherlands, or related strains; from an inoculum obtained from the pre-culture; a culture is produced by fermentation at a temperature between 20° C. and 40° C. over a period of at least 3 days so as to produce metabolites, in a sterilized aqueous production medium containing: a carbon source; a nitrogen source; a mineral salt solution; and a calcium source, at a concentration between 2 and 100 mM; and following the fermentation period, converting the metabolites produced into a lactone mixture comprising (R)-5,6-dihydro-6-pentyl-2H-pyran-2-one (or (R)-(−)-lactone) and/or (4R,6R)-4-hydroxy-6-pentyl-tetrahydro-2H-pyran-2-one.


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